Glencoe Physics: Principles and Problems, Student Edition
Glencoe Physics: Principles and Problems, Student Edition
1st Edition
ISBN: 9780078807213
Author: Paul W. Zitzewitz
Publisher: Glencoe/McGraw-Hill
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Chapter 10, Problem 98A
To determine

To Rank: Each interaction according to the work the boy does on the bench, from least to greatest, when a boy interacts with a bench.

Expert Solution & Answer
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Answer to Problem 98A

  We=Wc<Wb<Wa=Wd

Explanation of Solution

Given:

The force given at each = 100 N (A), 100 N (B), mg (C), 100 N (D), 220 N (E).

Distances ( d ) = (5 m, in A), (5 m, in B), (0 m, in C), (5 m, in D), (0 m, in E).

Formula used:

  W=Fd .

Calculation:

The work done is defined as the constant force multiplied with the displacement of an object/body.

Mathematically,

  W=Fd =Fd cos θ

Substituting the values of force and displacement from A in work done equation.

  W=100×5=500 Nm

From figure B.

  W=100cos25×5 = 453.15 N

From figure C.

  W=m.g×d NmW=20 kg×9.81 m/s2×0 NmW=0

From figure D.

  W=100×5=500 Nm

From figure E.

  W=220×0 = 0 N

Conclusion:

The work done is calculated for each interaction and ranked accordingly: We=Wc<Wb<Wa=Wd

Chapter 10 Solutions

Glencoe Physics: Principles and Problems, Student Edition

Ch. 10.1 - Prob. 11PPCh. 10.1 - Prob. 12PPCh. 10.1 - Prob. 13PPCh. 10.1 - Prob. 14PPCh. 10.1 - Prob. 15SSCCh. 10.1 - Prob. 16SSCCh. 10.1 - Prob. 17SSCCh. 10.1 - Prob. 18SSCCh. 10.1 - Prob. 19SSCCh. 10.1 - Prob. 20SSCCh. 10.1 - Prob. 21SSCCh. 10.1 - Prob. 22SSCCh. 10.1 - Prob. 23SSCCh. 10.1 - Prob. 24SSCCh. 10.2 - Prob. 25PPCh. 10.2 - Prob. 26PPCh. 10.2 - Prob. 27PPCh. 10.2 - Prob. 28PPCh. 10.2 - Prob. 29PPCh. 10.2 - Prob. 30SSCCh. 10.2 - Prob. 31SSCCh. 10.2 - Prob. 32SSCCh. 10.2 - Prob. 33SSCCh. 10.2 - Prob. 34SSCCh. 10 - Prob. 35ACh. 10 - Prob. 36ACh. 10 - Prob. 37ACh. 10 - Prob. 38ACh. 10 - Prob. 39ACh. 10 - Prob. 40ACh. 10 - Prob. 41ACh. 10 - Prob. 42ACh. 10 - Prob. 43ACh. 10 - Prob. 44ACh. 10 - Prob. 45ACh. 10 - Prob. 46ACh. 10 - Prob. 47ACh. 10 - Prob. 48ACh. 10 - Prob. 49ACh. 10 - Prob. 50ACh. 10 - Prob. 51ACh. 10 - Prob. 52ACh. 10 - Prob. 53ACh. 10 - Prob. 54ACh. 10 - Prob. 55ACh. 10 - Prob. 56ACh. 10 - Prob. 57ACh. 10 - Prob. 58ACh. 10 - Prob. 59ACh. 10 - Prob. 60ACh. 10 - Prob. 61ACh. 10 - Prob. 62ACh. 10 - Prob. 63ACh. 10 - Prob. 64ACh. 10 - Prob. 65ACh. 10 - Prob. 66ACh. 10 - Prob. 67ACh. 10 - Prob. 68ACh. 10 - Prob. 69ACh. 10 - Prob. 70ACh. 10 - Prob. 71ACh. 10 - Prob. 72ACh. 10 - Prob. 73ACh. 10 - Prob. 74ACh. 10 - Prob. 75ACh. 10 - Prob. 76ACh. 10 - Prob. 77ACh. 10 - Prob. 78ACh. 10 - Prob. 79ACh. 10 - Prob. 80ACh. 10 - Prob. 81ACh. 10 - Prob. 82ACh. 10 - Prob. 83ACh. 10 - Prob. 84ACh. 10 - Prob. 85ACh. 10 - Prob. 86ACh. 10 - Prob. 87ACh. 10 - Prob. 88ACh. 10 - Prob. 89ACh. 10 - Prob. 90ACh. 10 - Prob. 91ACh. 10 - Prob. 92ACh. 10 - Prob. 93ACh. 10 - Prob. 94ACh. 10 - Prob. 95ACh. 10 - Prob. 96ACh. 10 - Prob. 97ACh. 10 - Prob. 98ACh. 10 - Prob. 99ACh. 10 - Prob. 100ACh. 10 - Prob. 101ACh. 10 - Prob. 102ACh. 10 - Prob. 1STPCh. 10 - Prob. 2STPCh. 10 - Prob. 3STPCh. 10 - Prob. 4STPCh. 10 - Prob. 5STPCh. 10 - Prob. 6STPCh. 10 - Prob. 7STPCh. 10 - Prob. 8STP
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